Intent intent = new Intent(android.content.Intent.ACTION_SEND);
intent.setType("plain/text");
String strEmailReciver ="[email protected]";
String strEmailBody = "11111";
intent.putExtra(android.content.Intent.EXTRA_EMAIL, strEmailReciver); //設定收件人
intent.putExtra(android.content.Intent.EXTRA_SUBJECT, "asdfasdf"); //标題
intent.putExtra(android.content.Intent.EXTRA_TEXT, strEmailBody); //設定内容
startActivity(Intent.createChooser(intent,null));